Pharmaceutical Microbiology Manual
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ORA.007 Pharmaceutical Microbiology Manual
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- Revised: 25 Aug 2020 Title: Pharmaceutical Microbiology Manual
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OOD AND D RUG A DMINISTRATION O FFICE OF R EGULATORY A FFAIRS Office of Regulatory Science Document Number: ORA.007 Revision #: 02 Revised: 25 Aug 2020 Title: Pharmaceutical Microbiology Manual Page 74 of 92 For the most current and official copy, check QMiS. colonies (microaerophilic); medium not inoculated. Review disinfection process to assess the potential of antimicrobial residue being introduced during sample preparation; Review gas used for Isolator sterilization with medium inside chamber to assess the potential penetration into liquid broth and/or test product packaging. 4. Bioburden - Review the products bioburden for the presence of fastidious microorganisms which may require inclusion of special additives in the medium, such as halophilic contaminants in bicarbonate or high salt products need medium supplements with essential salts for survival. Where appropriate, the laboratory extend incubation time to improve the detection and recovery of fastidious microorganisms as part of their environmental monitoring program or part of investigation. 5. Water test method- Evaluate the length of storage and storage temperature for collected samples prior to testing. Evaluate the type of collection bottles and their compatibility with the testing, for example endotoxin testing. 6. Adherence to methods - Review data for adequacy of incubation time (for example 14 days for USP <71>), temperature (USP required temperatures) or appropriate media usage. 7. Worksheets - Review possible falsification or incorrect entry onto worksheets or Laboratory LIM system. Compare LIMs database entries to the analyst’s laboratory notebook; Phrase the question “When you get a positive test result….” not “If you get a positive test result...” Inspect the laboratory refrigerator or freezer for evidence of stored sample isolates. If they lyophilize sample isolates, ask to review the spread sheet data storage directly from the computer screen; hard copies could be obtained later. Review the Vitek or Micro Id isolate log book for all microorganisms identified and work backwards to the product lot number, filling rooms, equipment used, components or raw material used for that lot. This may allow you to find other lots associated with the contaminated lot. 8. Personnel- review training records, personnel qualifications and experience. Observe analysts during sample collection, preparation, etc., and look for errors which may inhibit microbial recovery. 9. Laboratory - Visit the microbiology laboratory and look in the refrigerators, incubators, look at discarded plates from that day’s work or request speciation log book and determine if microbial |
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